Tool storage rack



FIG. 1 is an isometric view of a tool storage rack of my new design;

FIG. 2 is a front view thereof (the view from the rear is a mirror image);

FIG. 3 is a side view thereof (the view from the other side is a mirror image);

FIG. 4 is a top view thereof; and,

FIG. 5 is a bottom view thereof. 

The ornamental design for a tool storage rack, as shown and described. 